User's Manual

Wireless Array
List of Figures xiii
List of Figures
Figure 1. Xirrus Arrays: XR Series............................................................................ 1
Figure 2. Wireless Array (XR Series)........................................................................ 5
Figure 3. Wireless Coverage Patterns .................................................................... 11
Figure 4. XP8 - Power over Ethernet Usage .......................................................... 12
Figure 5. WMI: Array Status.................................................................................... 13
Figure 6. Layout of IAPs (XR-7630)........................................................................ 14
Figure 7. Wall Thickness Considerations .............................................................. 27
Figure 8. Unit Placement.......................................................................................... 28
Figure 9. Full (Normal) Coverage........................................................................... 29
Figure 10. Adjusting RF Patterns.............................................................................. 29
Figure 11. Custom Coverage ..................................................................................... 30
Figure 12. Connection Rate vs. Distance ................................................................. 30
Figure 13. Transmit Power......................................................................................... 31
Figure 14. Overlapping Cells..................................................................................... 32
Figure 15. Allocating Channels Manually............................................................... 34
Figure 16. Classic 802.11 Signal Transmission........................................................ 36
Figure 17. MIMO Signal Processing......................................................................... 37
Figure 18. Spatial Multiplexing................................................................................. 38
Figure 19. Channel Bonding...................................................................................... 39
Figure 20. MAC Throughput Improvements.......................................................... 40
Figure 21. Computing 802.11n Data Rates .............................................................. 41
Figure 22. Port Failover Protection........................................................................... 42
Figure 23. Switch Failover Protection ..................................................................... 44
Figure 24. Port Requirements for XMS .................................................................... 48
Figure 25. WDS Link................................................................................................... 53
Figure 26. A Multiple Hop WDS Connection ......................................................... 54
Figure 27. WDS Failover Protection ......................................................................... 54
Figure 28. Installation Workflow.............................................................................. 57
Figure 29. Array Placement ....................................................................................... 59
Figure 30. LED Locations........................................................................................... 63
Figure 31. Network Interface Ports—XR-1000 Series ............................................ 66
Figure 32. Network Interface Ports—XR-2000 Series ............................................ 66
Figure 33. Network Interface Ports—XR-4000 Series ............................................ 66
Figure 34. Network Interface Ports—XR-6000 Series ............................................ 67